# TPC vs US

The clearest difference is update cadence: TPC at daily against US's fortnightly. TPC also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TPC ships an update daily, US fortnightly. The most recent releases landed on October 25, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | TPC | US |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/us-china-lifekit/id6768773745/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Fortnightly |
| Monetization | — | Free |
| Size | 98 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FUNTEK](https://appshunter.io/developer/1109360256) | [BOTONG BAO](https://appshunter.io/developer/1896543904) |

## What reviewers say

### TPC

[App page](https://appshunter.io/ios/app/tpc/id6761528693)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### US

[App page](https://appshunter.io/ios/app/us-china-lifekit/id6768773745)

This utility app facilitates seamless transitions between US and Chinese daily life by providing quick conversions for everyday measurements and currency. It covers temperature, weight, length, volume, speed, and time zones, making it easy to understand familiar numbers across both cultures.

**Highlights:** Temperature conversion (Fahrenheit/Celsius), Weight and length unit conversion, Volume and speed conversion, Grocery price and fuel economy tools, US and Beijing time zone bridge, Kitchen and housing unit conversions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TPC free?

TPC is free to download, with no in-app purchases.

### Is US free?

US is free to download, with no in-app purchases.

### Do TPC or US have ads?

Neither TPC nor US shows ads.

### Which is updated more often, TPC or US?

TPC ships an update daily, and US fortnightly. Most recently, TPC was updated on October 25, 2026 and US on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*